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Protecting the DIAL Command

The DIAL command lets you dial into another virtual machine. Typically, you can dial into a production or test OS/390 or VSE machine and then log onto an application, such as TSO, CICS, IMS, or ICCF. You can control and audit the DIAL command to protect virtual machines from unauthorized users who dial into the machines and potentially access their resources.

The following terms describe CA ACF2 for VM DIAL support:

DIAL secured machines

By default, all machines are dial secured. CA ACF2 for VM validates logonid, password, and resource accesses unless the machine has the DIALBYP logonid attribute.

Dialer

Indicates the user requesting DIAL access to a target virtual machine.

Target Virtual Machine

Indicates the virtual machine a dialer can access.